| 摘要 |
The present invention provides a fraud detection method for third generation mobile telecommunication systems using data related with unsuccessful authentication procedures, such us access type, authentication re-attempt and server address as secondary fraud indicators. Said data are included in predefined-type fields of the authentication failure report message sent from the Serving Environment back to the Home Environment in said authentication procedures, stored in the Home Location Register and forwarded to the Fraud Detection Systems for processing in conjunction with primary fraud indicators, for fraud detection purposes. <IMAGE> |
